CHENNAI,
AUG. 27.
While close to 80 per cent of cancer patients require radiation "some time or other" there are only 300 teletherapy units in the country, said A. Vasanthan, president, Association of Radiation Oncologists of India, Tamil Nadu and Pondicherry chapter.

Inaugurating the 20th annual conference of the association here today, he said the number of radiation therapy centres should be increased as eight lakh new cancer cases were diagnosed every year in the country. The number of treatment units  most of them telecobalt  met only about one-fourth of the requirement.